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烦请高手解释一下??

Posted by ecjtuzxg at 2008-07-21 15:59:50 on Problem 2864
The first line of a test case contains two integers N and D indicating respectively the number of alumni and the number of dinners organized 

这里N代表的是男毕业生的人数吗? 
是不是应该是女毕业生的人数呢?
因为后面“ Xi indicating if the alumnus/alumna i attended that dinner 
(Xi = 1) or not (Xi = 0). ”说的是女毕业生的参加情况啊。



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